Bosch CK-M12, Quick Start Manual

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10 en | CAN Communications CAN Keypad CK-M12
29.10.2019 | Version 1.1 | Quick Start Manual Bosch Motorsport
6 CAN Communications
The CK-M12 transmits 1 CAN message that provides the status of each button and digital
input, and receives 1 message to configure the indicating ring color for each button and the
overall keypad brightness. The default baud rate is 1,000 kbps, however, other baud rates and
IDs can be achieved through custom configuration by Bosch Motorsport.
Notice!
The brightness value MUST be sent to see any indicator feedback. Colors 9 to 15 will not
be visible when using brightness value 1.
Figure 6.1: DBC Data flow
6.1 Primary Data Message (CK-M12_TX.dbc)
ID 0x800 (default setting however IDs can be
reconfigured)
ID type Extended (29 bit identifier)
Direction Transmit from CK-M12
Length 4 bytes
Rate 10 ms
Endian-ness Little (Intel)
Button Status (0 not pressed, 1 pressed)
Bit 0 Button_01
Bit 1 Button_02
Bit 2 Button_03
Bit 3 Button_04
Bit 4 Button_05
Bit 5 Button_06
Bit 6 Button_07